Carli's six-leaf progressive Add-A-Pack rear springs replace the lower overload leaf with six thinner leafs. It maintains factory load capacity while improving ride quality by effectively mitigating the impact of medium to large bumps.
Details:- Drive: 4WD
- Warranty: Limited Lifetime Warranty
2005-2007 Ford F-250 Super Duty (Drive: 4WD)
- 2005-2007 Ford F-350 Super Duty (Drive: 4WD)

